function language_negotiation_configure_url_form_validate

Validation handler for url provider configuration.

Validate that the prefixes and domains are unique, and make sure that the prefix and domain are only blank for the default.

File

core/modules/locale/locale.admin.inc, line 229

Admin page callbacks for the Locale module.

Code

function language_negotiation_configure_url_form_validate($form, &$form_state) {
  // Get the enabled languages only.
  $languages = language_list(TRUE);

  // Count repeated values for uniqueness check.
  $count = array_count_values($form_state['values']['prefix']);
  foreach ($languages as $langcode => $language) {
    $value = $form_state['values']['prefix'][$langcode];

    if ($value === '') {
      if (!$language->default && $form_state['values']['language_negotiation_url_part'] == LANGUAGE_NEGOTIATION_URL_PREFIX) {
        // Validation error if the prefix is blank for a non-default language, and value is for selected negotiation type.
        form_error($form['prefix'][$langcode], t('The prefix may only be left blank for the default language.'));
      }
    }
    elseif (isset($count[$value]) && $count[$value] > 1) {
      // Validation error if there are two languages with the same domain/prefix.
      form_error($form['prefix'][$langcode], t('The prefix for %language, %value, is not unique.', array('%language' => $language->name, '%value' => $value)));
    }
  }

  // Count repeated values for uniqueness check.
  $count = array_count_values($form_state['values']['domain']);
  foreach ($languages as $langcode => $language) {
    $value = $form_state['values']['domain'][$langcode];

    if ($value === '') {
      if (!$language->default && $form_state['values']['language_negotiation_url_part'] == LANGUAGE_NEGOTIATION_URL_DOMAIN) {
        // Validation error if the domain is blank for a non-default language, and value is for selected negotiation type.
        form_error($form['domain'][$langcode], t('The domain may only be left blank for the default language.'));
      }
    }
    elseif (isset($count[$value]) && $count[$value] > 1) {
      // Validation error if there are two languages with the same domain/domain.
      form_error($form['domain'][$langcode], t('The domain for %language, %value, is not unique.', array('%language' => $language->name, '%value' => $value)));
    }
  }
}